A W/O/W emulsion composition comprising a large amount of silicone oil and having a high viscosity and a high stability is provided. The W/O/W emulsion composition comprises: an inner aqueous phase; an oil phase in which the inner aqueous phase is dispersed; and an outer aqueous phase in which the oil phase is dispersed,
wherein the inner aqueous phase comprises an osmotic pressure regulator that prepares the inner aqueous phase to have a higher osmotic pressure than the outer aqueous phase, the oil phase comprises a silicone oil that is 0.5 times by mass or greater of the total oil phase, and a silicone-based surfactant having a silicone skeleton as a main skeleton and a hydrophilic group in a side chain, and the outer aqueous phase comprises a polyol and an alkyl-modified carboxyvinyl polymer.

A stable stannous ion emulsion complex formed from combining a first aqueous phase with an oil phase to form a water in oil emulsion; forming a second aqueous phase; and combining the second aqueous phase with the water in oil emulsion. The first aqueous phase including water, stannous ions, a chelating agent, and a pH buffer. The oil phase including an oil and a first emulsifier. The water in oil emulsion including equal amounts of the oil phase and the first aqueous phase. The second aqueous phase including water, stannous ions, a chelating agent, a pH buffer, and a second emulsifier.

A skincare formulation for reducing facial expression lines via multi-modal reduction of ACh concentration and activity. The formulation includes a carrier base, an inhibitory neurotransmitter and a plurality of neuromodulating peptides configured to inhibit ACh concentration and activity at the epidermis as well as at the neuro-muscular junction. The inhibitory neurotransmitter is configured to reduce neuronal excitability. The plurality of neuromodulating peptides includes a first neuromodulating peptide configured to compete with SNAP-25 in the SNARE complex of the motor neuron at the presynaptic terminal, a second neuromodulating peptide configured to destabilize the SNARE complex at the presynaptic terminal, a third neuromodulating peptide configured to inhibit fusion of ACh vesicles in neuron plasma membrane, a fourth neuromodulating peptide configured to inhibit contraction of muscles via inhibition of transmitter-gated ion channel communication at the postsynaptic membrane, and a fifth neuromodulating peptide configured to block reception of ACh at the muscle cell, the postsynaptic membrane.

A method for the manufacture of a water-in-oil-in-water double emulsion, which includes a step of adding dropwise an aqueous phase to an oil phase until a catastrophic inversion. Also, a water-in-oil-in-water double emulsion, a method for preparing solid microcapsules from a water-in-oil-water double emulsion having oligomers and/or monomers in the oil phase.

A multi-type emulsion composition and a preparation method thereof are disclosed. The emulsion composition is a composition in which a water part and an oil part are mixed and emulsified, the water part includes a non-amphipathic nanoparticle dispersion, the oil part includes an emulsion and the emulsion includes an oil phase or silicone phase as an external phase, the emulsion composition includes the water part as a continuous phase and the oil part as a dispersed phase, and the dispersed phase is surrounded by the non-amphipathic nanoparticles.

A cosmetic composition that immediately smooths and tightens the skin is described. The cosmetic composition includes an aqueous carrier phase, an oil phase dispersed throughout the aqueous carrier phase, and discrete wax particles separately dispersed throughout the aqueous carrier phase. The aqueous carrier phase includes one or more hydrophilic film forming polymers, one or more water soluble solvent, and water. The oil phase includes one or more hydrophobic film forming polymers and one or more volatile hydrocarbon oils. The wax particles are formed from a wax having a melting point of at least 50 C. The cosmetic compositions are useful in methods for improving the appearance of skin, for example, by smoothing, tightening, and concealing imperfection of the skin.

The present invention relates to an emulsion cosmetic composition having excellent stability.

A method for producing an aqueous composition, the method including preparing a mixture 1 containing (B) an anionic polymer, (C) a nonionic polymer, and water; mixing the mixture 1 with (D) an acid or an aqueous solution thereof to prepare a mixture 2 containing the anionic polymer (B), the nonionic polymer (C), the acid (D), and water; and mixing the mixture 2 with (A) a cationic polymer.

Provided is a water-in-oil-in-water (W/O/W) emulsion cosmetic composition prepared by mixing an oil-in-water emulsion and a water-in-oil emulsion, wherein the W/O/W emulsion cosmetic composition has excellent feel of use and moisturizing feel while having excellent emulsion stability even under various temperature conditions, and has an excellent absorption rate of an active ingredient on the skin.

Provided is a high metal ion concentration emulsion comprising an oil phase and a water phase. The oil phase includes at least two emulsifiers and an oil. The at least two emulsifiers may include a hydrophobic emulsifier and a hydrophilic emulsifier. The water phase includes stannous fluoride, a chelating agent, citric acid, and water.